DISPENSING JULY 2023 LECTURE 1

Which of the following is the most common eye problem in geriatric?

• Glaucoma

• Cataract

• ARMD

• Diabetic retinopathy

Bifocal lens was invented by Benjamin Franklin in....

• 1750

• 1784

• 1798

• 1800

Which of the following is not the types of bifocal lens?

• Split

• Fused

• Cemented

• Glue

_____ bifocal lens was invented by Borsch on 1908.

• Glue

• Split

• Fused

• Cemented

Calculate the prism induce if the Rx power is -3D and the patient looking down 5mm from the optical centre.

• 1.5 pD Base down

• 1.5 pD Base up

• 2.5 pD Base down

• 2.5 pD Base up

Calculate the jump for Rx +2.00DS and displacement of 2mm below the optical centre.

• 0.4 pD Base up

• 0.4 pD Base down

• 1.6 pD Base up

• 1.6 pD Base down

Your patient is 57 years old, male, malay. He spend most of his time outdoor. His prescription is -2.00/-0.50x90 with addition +2.50D. If he wish to wear bifocal lens, what type of lens is most suitable for him?

• bifocal with fused segment

• bifocal with flat top segment

• bifocal with round segment

• bifocal with panoptic segment